Condition | Possible Cause | Action |
---|---|---|
Excessive shift shock
|
Shift solenoid valve-A and/or -B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
(Only when N → D or 3 ↔ 4 shifting)
Timing solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Input shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Transmission fluid temperature sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Engine speed signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Engine torque signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Torque reduction request signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Crank position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
No gear shift as 3rd gear
|
Shift solenoid valve-A and/or -B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Timing solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
Poor 1 → 2 shift
|
Shift solenoid valve-B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Transmission range sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Poor 2 → 3 shift
|
Shift solenoid valve-A circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Transmission range sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Poor 3 → 4 shift
|
Shift solenoid valve-B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Timing solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Input shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Transmission range sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Transmission fluid temperature sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Engine coolant temperature signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Engine speed signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Engine coolant temperature sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Crank position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
“3” position switch circuit faulty
|
Refer to
No Gear Shift to 4th Gear
.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Poor 4 → 3 shift
|
Shift solenoid valve-B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Timing solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Input shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
O/D off switch circuit faulty
|
Refer to
No Gear Shift to 4th Gear
.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Poor 3 → 2 shift
|
Shift solenoid valve-B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Poor 2 → 1 shift
|
Shift solenoid valve-B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Incorrect gear shift point
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Non operate TCC (lock-up) system
|
TCC solenoid valve-B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
Shift solenoid valve-A and/or -B circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Output shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Input shaft speed sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Transmission range sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Transmission fluid temperature sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
CAN communication circuit faulty
(M13 engine model with VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Engine coolant temperature signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Throttle position signal circuit faulty
(M13 engine model without VVT)
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Brake light switch circuit faulty
|
Refer to
No Gear Shift to 4th Gear
.
|
|
Throttle position sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
Engine coolant temperature sensor circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
ECM
|
Substitute a known-good ECM and recheck.
|
|
Higher or lower stall speed
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
Excessive “N” → “D” or “N” → “R” time lag
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. if NG, repair.
|
Transmission fluid temperature sensor circuit faulty
|
Inspect circuit for open, short and intermittent. if NG, repair.
|
|
TCM
|
Substitute a known-good TCM and recheck.
|
|
Higher or lower line pressure
|
Pressure control solenoid valve circuit faulty
|
Inspect circuit for open, short and intermittent. If NG, repair.
|
TCM
|
Substitute a known-good TCM and recheck.
|
Condition | Possible Cause | Action |
---|---|---|
Unable to run in all range
|
Faulty valve body component
|
Replace valve body assembly.
|
Excessive shift shock
|
Engine abnormal condition
|
Inspect and repair engine.
|
Malfunction of shift solenoid valve-A and/or -B
|
Inspect. If NG, replace.
|
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of input shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Malfunction of Transmission fluid temperature sensor
|
Inspect. If NG, replace.
|
|
(Only when N → D or 3 ↔ 4 shifting)
Malfunction of timing solenoid valve
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
(Except N → D or N ↔ R shifting)
Malfunction of brake light switch
|
Inspect. If NG, replace.
|
|
Malfunction of crank position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Poor 1 → 2 shift
|
Malfunction of shift solenoid valve-B
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Poor 2 → 3 shift
|
Malfunction of shift solenoid valve-A
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Poor 3 → 4 shift
|
Malfunction of shift solenoid valve-B
|
Inspect. If NG, replace.
|
Malfunction of timing solenoid valve
|
Inspect. If NG, replace.
|
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of input shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Malfunction of Transmission fluid temperature sensor
|
Inspect. If NG, replace.
|
|
Malfunction of “3” position switch
|
Inspect. If NG, replace.
|
|
Malfunction of engine coolant temperature sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Poor 4 → 3 shift
|
Malfunction of shift solenoid valve-B
|
Inspect. If NG, replace.
|
Malfunction of timing solenoid valve
|
Inspect. If NG, replace.
|
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of input shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of “3” position switch
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Poor 3 → 2 shift
|
Malfunction of shift solenoid valve-A
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Poor 2 → 1 shift
|
Malfunction of shift solenoid valve-B
|
Inspect. If NG, replace.
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Incorrect shift point
|
Engine abnormal condition
|
Inspect and repair engine
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Non operate TCC (lock-up) system
|
Malfunction of TCC solenoid valve
|
Inspect. If NG, replace.
|
Malfunction of shaft solenoid valve-A and/or -B
|
Inspect. If NG, replace.
|
|
Malfunction of output shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of input shaft speed sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission range sensor
|
Inspect. If NG, replace.
|
|
Malfunction of transmission fluid temperature sensor
|
Inspect. If NG, replace.
|
|
Malfunction of pressure control solenoid valve
|
Inspect. If NG, replace valve body assembly.
|
|
Malfunction of brake light switch
|
Inspect. If NG, replace.
|
|
Malfunction of throttle position sensor
|
Inspect. If NG, replace.
|
|
Malfunction of engine coolant temperature sensor
|
Inspect. If NG, replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
|
Excessive “N” → “D” or “N” → “R” time lag
|
Malfunction of transmission fluid temperature sensor
|
Inspect. If NG, replace.
|
Pressure control solenoid valve circuit faulty
|
Inspect. If NG, replace valve body assembly.
|
|
Clogged oil strainer
|
Replace.
|
|
Faulty valve body component
|
Replace valve body assembly.
|
Condition | Possible Cause | Action |
---|---|---|
Unable to run in all range
|
Faulty oil pump
|
Inspect. If NG, replace.
|
Seized or broken planetary gear
|
Inspect. If NG, replace.
|
|
Faulty one-way No.2 clutch
|
Inspect. If NG, replace.
|
|
Damaged drive plate
|
Inspect. If NG, replace.
|
|
Faulty forward clutch
|
Inspect. If NG, replace.
|
|
Faulty reverse clutch
|
Inspect. If NG, replace.
|
|
Faulty 1st and reverse brake
|
Inspect. If NG, replace.
|
|
Faulty torque converter
|
Replace.
|
|
Excessive “N” → “D” shift shock
|
Faulty forward clutch
|
Inspect. If NG, replace.
|
Excessive “N” → “R” shift shock
|
Faulty reverse clutch
|
Inspect. If NG, replace.
|
Faulty 1st and reverse brake
|
Inspect. If NG, replace.
|
|
Poor 1 → 2 shift, excessive shock or slippage
|
Faulty 2nd brake
|
Inspect. If NG, replace.
|
Faulty one-way No.1 clutch
|
Inspect. If NG, replace.
|
|
Poor 2 → 3 shift, excessive shock or slippage
|
Faulty direct clutch
|
Inspect. If NG, replace.
|
Poor 3 ↔ 4 shift, excessive shock or slippage
|
Faulty forward clutch
|
Inspect. If NG, replace.
|
Faulty O/D and 2nd coast brake
|
Inspect. If NG, replace.
|
|
Poor 3 → 2 shift, excessive shock or slippage
|
Faulty direct clutch
|
Inspect. If NG, replace.
|
Faulty one-way No.1 clutch
|
Inspect. If NG, replace.
|
|
Poor 2 → 1 shift, excessive shock or slippage
|
Faulty 2nd brake
|
Inspect. If NG, replace.
|
Faulty one-way No.2 clutch
|
Inspect. If NG, replace.
|
|
Non operate TCC (lock-up) system
|
Faulty torque converter
|
Replace.
|
Excessive “N” → “D” time lag
|
Faulty oil pump
|
Inspect. If NG, replace.
|
Faulty forward clutch
|
Inspect. If NG, replace.
|
|
Faulty one-way No.2 clutch
|
Inspect. If NG, replace.
|
|
Leakage from “D” range fluid pressure circuit
|
Overhaul or replace valve body assembly.
|
|
Excessive “N” → “R” time lag
|
Faulty oil pump
|
Inspect. If NG, replace.
|
Faulty reverse clutch
|
Inspect. If NG, replace.
|
|
Faulty 1st and reverse brake
|
Inspect. If NG, replace.
|
|
Leakage from “R” range fluid pressure circuit
|
Overhaul or replace valve body assembly.
|
|
Poor engine brake in downshift to “2” range
|
Faulty O/D and 2nd coast brake
|
Inspect. If NG, replace.
|
Poor engine brake in downshift to “L” range
|
Faulty 1st and reverse brake.
|
Inspect. If NG, replace.
|